Irbis3D

Irbis3D / MedusaHC

Public

MedusaHC is an open-source toolchanger (hotend-changer) project.

72
6
100% credibility
Found Feb 02, 2026 at 48 stars -- GitGems finds repos before they trend. Get early access to the next one.
Sign Up Free
AI Analysis
Python
AI Summary

MedusaHC is an open-source hardware project for building a tool-swapping system that allows CoreXY 3D printers to automatically exchange hotends for multi-material printing.

How It Works

1
🔍 Discover MedusaHC

You stumble upon this cool project while browsing 3D printing ideas, promising easy swapping of printing tips for multi-color prints.

2
📺 Watch the intro video

You check out the creator's video to see it in action and get excited about upgrading your printer.

3
🛒 Gather your parts

You use the shopping list to buy affordable pieces like magnets, springs, and pins, plus pick a compatible printer board.

4
🖨️ Print and assemble

You print the custom pieces on your 3D printer with strong material, then carefully build the tool swapper, gluing magnets and fitting pins just right.

5
🔧 Attach and set up

You mount it on your printer, connect the wires for heaters and sensors, and adjust the settings so it knows where each tool lives.

6
⚙️ Calibrate the tools

You run simple tests to measure exact positions of each printing tip, tweaking until they align perfectly.

🎉 Print amazing multi-color models

Your printer now swaps tools automatically, creating stunning multi-material prints without hassle, and you share your success in the community.

Sign up to see the full architecture

5 more

Sign Up Free

Star Growth

See how this repo grew from 48 to 72 stars Sign Up Free
Repurpose This Repo

Repurpose is a Pro feature

Generate ready-to-use prompts for X threads, LinkedIn posts, blog posts, YouTube scripts, and more -- with full repo context baked in.

Unlock Repurpose
AI-Generated Review

What is MedusaHC?

MedusaHC is an open-source Python project turning CoreXY 3D printers like Duender into multi-material machines via a hotend-changer toolchanger. It swaps only the hotend—heater, thermistor, fan—across bases using one extruder, parking in the back-left corner for safe access. Users get Klipper configs, macros for tool pick/drop, sensor-based state tracking, and print-ready STEP/STL files plus BOM for hardware.

Why is it gaining traction?

Unlike bulky full-toolhead changers, MedusaHC keeps setups compact (65mm tool spacing) with automatic detection of installed hotends, error pauses for fixes, and resume from correct states. Python scripts optimize G-code for faster toolchanges, while probe integration (Eddy-ng, Sexball) enables auto Z/XY offsets. The medusa geschichte of multiple serpents fits its efficient multi-hotend swaps, drawing Klipper tinkerers seeking medusa tattoo bedeutung—sleek, modular reliability.

Who should use this?

Experienced Klipper users modding CoreXY printers (Ender 3 conversions) for 2-4 color prints without wipe towers. Perfect for hardware hackers comfortable printing ABS parts, wiring BTT Manta M8P boards, and calibrating via macros like TOOL_Z_CALIBRATION. Skip if you're new to toolchangers or lack Discord for medusa serie discussions.

Verdict

Grab it if you're building custom hotend-changers—solid foundation despite beta bugs and no full manual (video incoming). 57 stars and 1.0% credibility score mean test thoroughly on non-production rigs first.

(198 words)

Sign up to read the full AI review Sign Up Free

Similar repos coming soon.